/Engine/Source/Runtime/Core/Public/Compression/CompressedBuffer.h
The entire compressed buffer will be loaded from the archive before this function returns. Prefer to useFCompressedBufferReaderto stream from an archive when the compressed buffer does not need to be fully loaded into memory.
A compressed buffer, or null on error. Ar.IsError() will be true on error.
static [FCompressedBuffer](API\Runtime\Core\Compression\FCompressedBuffer) Load ( [FArchive](API\Runtime\Core\Serialization\FArchive) & Ar )